JOURNAL OF ENTOMOLOGY AND ZOOLOGY 167 



to ten; the presence of anal horns, and a small, weak furcula. 

 The genns is not a large one hut tliree species have been found 

 here, one of which Prof. Folsoni will probably describe later. 



Key to the Genus Xenylla 



A. Mucrones lamellate, color yellow with blue semicircular 

 spots, claws slightly curved. coUis n. sp. 



AA. Mucrones narrow, slender and tapering. 



B. Mucrones straight, no h.ook ; claws slightly curved, 

 two tenent hairs; anal horns short, little longer than 



]iapilla^; color, steel blue. n. sp. 



BB. Mucrones notched, formiuj^- a hook; claws greatly 

 curved, one tenent hair; anal horns two, short; color, 

 yellow with dark spots. paludift n. sp. 



Xenylla collis n. sp. 

 (Plate V, Figs. 6-8) 



Description: Length — 1.3 mm. Color — Yellow background 

 with blue semi-circular spots on it; these are fairly far apart 

 and not dense. Antennae — Segments III and IV fused, I short- 

 est; same length as head. Ocelli — Ten, five on each eye spot. 

 Claws — One, slightly curving- and fairly stout, two long tenent 

 hairs. Furcula — ^^'''ery short, o^dy reaching about one-third 

 distance to ventral tube; mucrones, lamellate. Anal horns — ■ 

 Two, short, curved, on separate uTpillse close together, a trifle 

 longer than papillse. Integument — Finolv granular, hardly anv 

 Ion 9" suines except two or three ^^ the posterior end, most of 

 the hnirs short and slio'htlv curved. 



Tfnhitof: Pomona, Ganesha Park, under bark of alder tree, 

 "f^ebruarv. 



Xenylla n. sp, 



To be described later. 



Hahitaf: Claremont, on pools of water in a newly plowed 

 field after a hard rain; February. Cucamonga Canyon, in the 

 soil under leaves. 



